EP3225791A3 - Structure for rotor of removing bearing oil - Google Patents

Structure for rotor of removing bearing oil Download PDF

Info

Publication number
EP3225791A3
EP3225791A3 EP16202247.9A EP16202247A EP3225791A3 EP 3225791 A3 EP3225791 A3 EP 3225791A3 EP 16202247 A EP16202247 A EP 16202247A EP 3225791 A3 EP3225791 A3 EP 3225791A3
Authority
EP
European Patent Office
Prior art keywords
oil
bearing
rotor
rotor shaft
bearing oil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16202247.9A
Other languages
German (de)
French (fr)
Other versions
EP3225791A2 (en
EP3225791B1 (en
Inventor
Jun Ho Ahn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Doosan Heavy Industries and Construction Co Ltd
Original Assignee
Doosan Heavy Industries and Construction Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Doosan Heavy Industries and Construction Co Ltd filed Critical Doosan Heavy Industries and Construction Co Ltd
Publication of EP3225791A2 publication Critical patent/EP3225791A2/en
Publication of EP3225791A3 publication Critical patent/EP3225791A3/en
Application granted granted Critical
Publication of EP3225791B1 publication Critical patent/EP3225791B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/18—Lubricating arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • F01D25/162—Bearing supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/18—Lubricating arrangements
    • F01D25/183—Sealing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/162—Special parts or details relating to lubrication or cooling of the sealing itself
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/60—Shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/70—Slinger plates or washers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/29—Three-dimensional machined; miscellaneous
    • F05D2250/293—Three-dimensional machined; miscellaneous lathed, e.g. rotation symmetrical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/29—Three-dimensional machined; miscellaneous
    • F05D2250/294—Three-dimensional machined; miscellaneous grooved

Abstract

The present invention relates to a structure for a rotor of removing bearing oil, including a rotor shaft disposed in a casing of a turbine and an annular oil scattering means formed between an oil deflector and a bearing supporter on the rotor shaft in a circumferential direction to scatter bearing oil flowing from the bearing supporter toward the oil deflector along a surface of the rotor shaft. According to the present invention, it is possible to suppress carbonization caused by reaction with high-temperature operating fluid at the oil deflector by removing the bearing oil flowing between the bearing and the oil deflector along the rotor shaft.
EP16202247.9A 2015-12-14 2016-12-05 Structure for rotor of removing bearing oil Active EP3225791B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150178518 2015-12-14

Publications (3)

Publication Number Publication Date
EP3225791A2 EP3225791A2 (en) 2017-10-04
EP3225791A3 true EP3225791A3 (en) 2017-11-15
EP3225791B1 EP3225791B1 (en) 2020-02-05

Family

ID=57482333

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16202247.9A Active EP3225791B1 (en) 2015-12-14 2016-12-05 Structure for rotor of removing bearing oil

Country Status (3)

Country Link
US (1) US20170167294A1 (en)
EP (1) EP3225791B1 (en)
JP (1) JP6380767B2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350345A (en) * 1981-04-01 1982-09-21 General Electric Company Air-sealed oil deflector
JPS57152406U (en) * 1981-03-20 1982-09-24
EP1589190A2 (en) * 2004-04-21 2005-10-26 General Electric Company Steam turbine rotor cooling at oil deflector
US20100196140A1 (en) * 2007-10-13 2010-08-05 David Gee Device for inhibiting the flow of oil along a rotating shaft

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5434853U (en) * 1977-08-15 1979-03-07
JPS61164402U (en) * 1985-04-01 1986-10-13
US5890881A (en) * 1996-11-27 1999-04-06 Alliedsignal Inc. Pressure balanced turbocharger rotating seal
DE10011063A1 (en) * 2000-03-07 2001-09-27 Daimler Chrysler Ag Labyrinth seal for shaft of electric motor is made up of two sections, outer section having annular components which form conical seal gaps with surface of other component
JP2003074491A (en) * 2001-09-04 2003-03-12 Nsk Ltd Sealing device for water pump, rotary supporting device for water pump and water pump
FR2878287B1 (en) * 2004-11-25 2009-05-22 Snecma Moteurs Sa DUAL FLOW DOUBLE BODY TURBOREACTOR WITH REVERSE ELECTRIC CURRENT GENERATOR
GB201200542D0 (en) * 2012-01-13 2012-02-29 Cummins Ltd Turbomachine shaft sealing arrangement
EP2964935B1 (en) * 2013-03-08 2018-12-12 United Technologies Corporation Fluid-cooled seal arrangement for a gas turbine engine
US9683600B2 (en) * 2013-09-16 2017-06-20 Bret J. Park Sleeve bearing for turbocharging device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57152406U (en) * 1981-03-20 1982-09-24
US4350345A (en) * 1981-04-01 1982-09-21 General Electric Company Air-sealed oil deflector
EP1589190A2 (en) * 2004-04-21 2005-10-26 General Electric Company Steam turbine rotor cooling at oil deflector
US20100196140A1 (en) * 2007-10-13 2010-08-05 David Gee Device for inhibiting the flow of oil along a rotating shaft

Also Published As

Publication number Publication date
JP2017110636A (en) 2017-06-22
JP6380767B2 (en) 2018-08-29
EP3225791A2 (en) 2017-10-04
EP3225791B1 (en) 2020-02-05
US20170167294A1 (en) 2017-06-15

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